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gladu [14]
4 years ago
14

When triangle ABC is rotated about side AB, what figure is formed?

Mathematics
2 answers:
Pani-rosa [81]4 years ago
5 0
If it is rotated along AB it would be a cone
Mumz [18]4 years ago
5 0

Answer:

Cone

Step-by-step explanation:

We are given that a triangle ABC .

We have to find that what shape is formed when a triangle ABC is rotated about side AB.

A given triangle ABC is  a right triangle.

When we rotate the figure about side AB then the figure will be cone .The side AB will be height of cone and side AC will be radius of cone.

Hence, when a triangle ABC is rotated about side  AB, the cone is formed.

Answer: Cone

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REY [17]
The answer is: x = 7 - √53      or      x = 7 + √53

The general quadratic equation is: ax² + bx + c  = 0.
But, by completing the square we turn it into: a(x + d)² + e = 0, where:<span>
d = b/2a
e = c - b²/4a
Our quadratic equation is x² - 14x -4 = 0, which is after rearrangement:
So, a = 1, b = -14, c = -4
Let's first calculate d and e:
d = b/2a = -14/2*1 = -14/2 = -7
e = c - b²/4a = -4 - (-14)</span>²/4*1 = -4 - 196/4 = -4 - 49 = -53<span>
By completing the square we have:
a(x + d)² + e = 0

1(x + (-7))</span>² + (-53) = 0
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(x - 7)² = 53
x - 7 = +/-√53
x = 7 +/- √53

Therefore, the solutions are:
x = 7 - √53
or
x = 7 + √53
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Answer:

For x, the equation is x=3(y+5)

Step-by-step explanation:

Given:  the equation x over 3-5=y

We have to solve for x,

Consider the given equation the equation x over 3-5=y

Here, over means divide, so,

Mathematically written as ,

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Solving foor x,

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Now, multiply both side by 3, we have,

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On simplification, we have,

x=3(y+5)

Thus, for x, the equation is x=3(y+5)

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